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參數資料
| 型號： | P89LPC931FDH |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit microcontrollers with two-clock 80C51 core 4 kB-8 kB 3 V Flash with 256-byte data RAM |
| 封裝： | P89LPC930FDH<SOT361-1 (TSSOP28)|<<http://www.nxp.com/packages/SOT361-1.html<1<week 47, 2004,;P89LPC931FDH<SOT361-1 (TSSOP28)|<<http://www.nxp.com/packages/SOT361-1.html&l |
| 文件頁數： | 53/55頁 |
| 文件大小： | 267K |
| 代理商： | P89LPC931FDH |
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Philips Semiconductors
P89LPC930/931
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 05 — 15 December 2004
7 of 55
9397 750 14472
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
P1.0 - P1.7
18, 17, 12,
11, 10, 6,
5, 4
I/O, I [1]
Port 1: Port 1 is an 8-bit I/O port with a user-congurable output type, except for
three pins as noted below. During reset Port 1 latches are congured in the input only
mode with the internal pull-up disabled. The operation of the congurable Port 1 pins
as inputs and outputs depends upon the port conguration selected. Each of the
congurable port pins are programmed independently. Refer to Section 8.11.1 “Port
congurations” and Table 7 “DC electrical characteristics” for details. P1.2 - P1.3 are
open drain when used as outputs. P1.5 is input only.
All pins have Schmitt triggered inputs.
Port 1 also provides various special functions as described below:
18
I/O
P1.0 — Port 1 bit 0.
O
TxD — Transmitter output for the serial port.
17
I/O
P1.1 — Port 1 bit 1.
I
RXD — Receiver input for the serial port.
12
I/O
P1.2 — Port 1 bit 2 (open-drain when used as output).
I/O
T0 — Timer/counter 0 external count input or overow output (open-drain when used
as output).
I/O
SCL — I2C serial clock input/output.
11
I
P1.3 — Port 1 bit 3 (open-drain when used as output).
I
INT0 — External interrupt 0 input.
I/O
SDA — I2C serial data input/output.
10
I
P1.4 — Port 1 bit 4.
I
INT1 — External interrupt 1 input.
6I
P1.5 — Port 1 bit 5 (input only).
I
RST — External Reset input during Power-on or if selected via UCFG1. When
functioning as a reset input a LOW on this pin resets the microcontroller, causing I/O
ports and peripherals to take on their default states, and the processor begins
execution at address 0. Also used during a power-on sequence to force In-System
Programming mode. When using an oscillator frequency above 12 MHz, the
reset input function of P1.5 must be enabled. An external circuit is required to
hold the device in reset at power-up until VDD has reached its specied level.
When system power is removed VDD will fall below the minimum specied
operating voltage. When using an oscillator frequency above 12 MHz, in some
applications, an external brownout detect circuit may be required to hold the
device in reset when VDD falls below the minimum specied operating voltage.
5
I/O
P1.6 — Port 1 bit 6.
4
I/O
P1.7 — Port 1 bit 7.
Table 3:
Pin description…continued
Symbol
Pin
Type
Description
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相關代理商/技術參數 |
參數描述 |
|---|---|
| P89LPC931FDH,112 | 功能描述:8位微控制器 -MCU 80C51 8K FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| P89LPC931FDH,129 | 功能描述:8位微控制器 -MCU 8K FL/256B RAM/I2C/SPI/TSSOP28 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| P89LPC931FDH.129 | 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 8K FLASH SMD 89LC931 |
| P89LPC931FDH.129 | 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 8K FLASH SMD 89LC931 |
| P89LPC932 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller with two-clock core 8 KB 3 V low-power Flash with 512-byte data EEPROM |
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